From 15bade610a0c357cd6684deac81fe2db344f26f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gustav=20S=C3=B6rn=C3=A4s?= <gustav@sornas.net>
Date: Sat, 31 Jul 2021 02:18:21 +0200
Subject: parse relative dates

---
 cli/src/main.rs   |  6 ------
 cli/src/search.rs | 29 ++++++++++++++---------------
 2 files changed, 14 insertions(+), 21 deletions(-)

(limited to 'cli/src')

diff --git a/cli/src/main.rs b/cli/src/main.rs
index 6b8da59..254a5e2 100644
--- a/cli/src/main.rs
+++ b/cli/src/main.rs
@@ -75,12 +75,6 @@ struct Mn {
 fn main() {
     let mut store = Store::open(PathBuf::from("store")).unwrap();
 
-    // let search = search.subtract(Constraint::Category("a".to_string()));
-    // let search = search.subtract(Constraint::Date(DateFilter::Relative {
-    //     start: None,
-    //     end: Some(Duration::days(-2)),
-    // }));
-
     let args = Mn::from_args();
     eprintln!("{:?}", args);
     match args.command {
diff --git a/cli/src/search.rs b/cli/src/search.rs
index b74d20d..7f85a5c 100644
--- a/cli/src/search.rs
+++ b/cli/src/search.rs
@@ -15,7 +15,19 @@ pub enum DateIsh {
 
 impl DateIsh {
     pub fn parse(s: &str) -> Self {
-        DateIsh::Absolute(NaiveDate::parse_from_str(s, "%Y-%m-%d").unwrap())
+        NaiveDate::parse_from_str(s, "%Y-%m-%d")
+            .map(DateIsh::Absolute)
+            .unwrap_or_else(|_| DateIsh::Relative(Self::parse_relative(s).unwrap()))
+    }
+
+    pub fn parse_relative(s: &str) -> Option<Duration> {
+        //TODO Month and year. Would depend on current date so maybe parse in one place.
+        let num = s[..s.len()-1].parse().unwrap();
+        Some(match s.chars().last().unwrap() {
+            'd' => Duration::days(num),
+            'w' => Duration::weeks(num),
+            _ => unimplemented!(),
+        })
     }
 
     pub fn get(self) -> NaiveDate {
@@ -132,20 +144,7 @@ impl<'t> Search<'t> {
 
             //TODO lexing? can do a function for "spaces inside" instead
 
-            // +category:a
-            //TODO: category:"foo bar"
-
-            //  before:2021-01-01  =>  + (* -> 2020-12-31) n-incl
-            //  after:2021-01-01   =>  + (2021-01-01 -> *) incl
-            // -before:2021-01-01  =>  - (2021-01-01 -> *) incl
-            // -after:2021-01-01   =>  - (* -> 2021-12-31) n-incl
-
-            //TODO:
-            // today is 2021-01-01:
-            //  before:-1d  =>  + (* -> 2020-12-31) n-incl
-            //  after:-1d   =>  + (2021-01-01 -> *) incl
-            // -before:-1d  =>  - (2021-01-01 -> *) incl
-            // -after:-1d   =>  - (* -> 2020-12-31) n-incl
+            //TODO category:"foo bar"
 
             let constraint = match rule.split_once(':').unwrap() {
                 ("category", category) => Constraint::Category(category.to_string()),
-- 
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